Well, the Hijri date 22 Shawwal 1400 corresponds to the Gregorian date Monday, 1 September 1980. This date lies in the tenth month of the Hijri year 1400 AH, which is Shawwal of 1400 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1400/10/22 is calculated using the Umm Al-Qura calendar and the sighting of the moon. One thing to remember is that this Arabic date may occur on different Gregorian date depending upon the region and country and obviously the moon.
If you are still not sure about the date then you can use our Arabic date converter.
The following is the conversion of the Gregorian date 1 September 1980 to its equivalent Arabic date.
The following is the conversion of the Arabic date 22 Shawwal 1400 AH to its equivalent Gregorian date.
وَهُوَ ٱلَّذِى يُحْىِۦ وَيُمِيتُ وَلَهُ ٱخْتِلَٰفُ ٱلَّيْلِ وَٱلنَّهَارِ ۚ أَفَلَا تَعْقِلُونَ
And He it is Who giveth life and causeth death, and His is the difference of night and day. Have ye then no sense?
Surah Al-Muminoon(23:80)
Sahih al-Bukhari
Hajj (Pilgrimage)
Chapter: Doing Ramal in Tawaf during Hajj and 'Umra
Narrated `Abdullah bin `Umar:
The Prophet (ﷺ) did Ramal in (first) three rounds (of Tawaf), and walked in the remaining four, in Hajj and Umra.
Sahih al-Bukhari 1604